4-(2-Methoxy-4-nitrophenyl)pyridine

7-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3,3-dimethylbutanoyl]-7-azabicyclo[2.2.1]heptane-1-carboxylic acid

7-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)pentanoyl]-7-azabicyclo[2.2.1]heptane-1-carboxylic acid

7-[(2S)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)pentanoyl]-7-azabicyclo[2.2.1]heptane-1-carboxylic acid

7-[5-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)pentanoyl]-7-azabicyclo[2.2.1]heptane-1-carboxylic acid

7-[(2R)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-methylbutanoyl]-7-azabicyclo[2.2.1]heptane-1-carboxylic acid

7-{2-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)ethoxy]acetyl}-7-azabicyclo[2.2.1]heptane-1-carboxylic acid

3-{[(5-Chlorofuran-2-yl)methyl]sulfanyl}-2-hydroxypropanoic acid

(2S,4R)-1-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-1-methyl-1H-pyrazole-4-carbonyl]-4-hydroxypyrrolidine-2-carboxylic acid

2-{[(5-Chlorofuran-2-yl)methyl]sulfanyl}-3-methylbutanoic acid

(2R,4R)-1-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-1-methyl-1H-pyrazole-4-carbonyl]-4-hydroxypyrrolidine-2-carboxylic acid